JPH0338468U

JPH0338468U -

Info

Publication number: JPH0338468U
Application number: JP10034089U
Authority: JP
Priority date: 1989-08-28
Filing date: 1989-08-28
Publication date: 1991-04-15

Description

[Brief explanation of the drawing]

第１図はこの考案の実施例の断面図、第２図は
第１図の−線断面、第３図は第１図の−
線断面、第４図は実施例の要部拡大斜視図である
。 Fig. 1 is a sectional view of an embodiment of this invention, Fig. 2 is a sectional view taken along the - line in Fig. 1, and Fig. 3 is a sectional view taken along the - line in Fig. 1.
FIG. 4 is an enlarged perspective view of the main part of the embodiment.

Claims

[Scope of utility model registration request]

A valve body of a size that can close the cross section of the pipe is supported horizontally on the upper surface of the horizontal pipe so that it can be moved in parallel in the axial direction of the pipe under the influence of flow, and a protrusion that horizontally supports the valve body is The valve body is formed on the upper surface of the horizontal conduit at a downstream end position of the movable range of the valve body, and a rotating shaft is provided at the other end of the valve body protruding in a direction perpendicular to the conduit axis. , the rotating shaft is received in an elongated hole formed in the conduit, the length of the long axis being equal to the movable range of the valve body, and the upstream end of the elongated hole in the conduit has a , an operating shaft that can be engaged and detached via an inclined surface by horizontal movement of the end of the rotating shaft and the valve body is pivotally supported so as to be retractable in a direction perpendicular to the pipe, and the operating shaft is attached to the pipe An automatic emergency shutoff valve that extends outside and has an operating handle attached to the outside of the pipe.